50621644 has 6 divisors (see below), whose sum is σ = 88587884. Its totient is φ = 25310820.

The previous prime is 50621633. The next prime is 50621647. The reversal of 50621644 is 44612605.

It is not an unprimeable number, because it can be changed into a prime (50621647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327702 + ... + 6327709.

Almost surely, 2^50621644 is an apocalyptic number.

It is an amenable number.

50621644 is a deficient number, since it is larger than the sum of its proper divisors (37966240).

50621644 is a wasteful number, since it uses less digits than its factorization.

50621644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655415 (or 12655413 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 50621644 is about 7114.8888958296. Note that the first 4 decimals coincide. The cubic root of 50621644 is about 369.9236365416.

The spelling of 50621644 in words is "fifty million, six hundred twenty-one thousand, six hundred forty-four".